William O'Brian

Action - gameography

• Halo 2: Multiplayer Map Pack (2005), Microsoft Game Studios
• Halo 3 (2007), Microsoft Game Studios
• Twisted Edge: Extreme Snowboarding (1998), Kotobuki System Co., Ltd., Midway
• Halo 2 (2004), Microsoft Game Studios
• King's Quest: Mask of Eternity (1998), Sierra On-Line, Inc.

Adventure - gameography

• Leisure Suit Larry: Love for Sail! (1996), Sierra On-Line, Inc.
• King's Quest: Mask of Eternity (1998), Sierra On-Line, Inc.
• Torin's Passage (1995), Sierra On-Line, Inc.

Puzzle-Solving - gameography

• Torin's Passage (1995), Sierra On-Line, Inc.
• King's Quest: Mask of Eternity (1998), Sierra On-Line, Inc.
• Leisure Suit Larry: Love for Sail! (1996), Sierra On-Line, Inc.

Sci-Fi / Futuristic - gameography

• Halo 2 (2004), Microsoft Game Studios
• Halo 2: Multiplayer Map Pack (2005), Microsoft Game Studios
• Halo 3 (2007), Microsoft Game Studios

Shooter - gameography

• Halo 3 (2007), Microsoft Game Studios
• Halo 2: Multiplayer Map Pack (2005), Microsoft Game Studios
• Halo 2 (2004), Microsoft Game Studios

Fantasy - gameography

• King's Quest: Mask of Eternity (1998), Sierra On-Line, Inc.
• Torin's Passage (1995), Sierra On-Line, Inc.

Racing / Driving - gameography

• Halo 3 (2007), Microsoft Game Studios
• Need for Speed III: Hot Pursuit (1998), Electronic Arts, Inc.

Adult - gameography

• Leisure Suit Larry: Love for Sail! (1996), Sierra On-Line, Inc.

Flight - gameography

• Halo 3 (2007), Microsoft Game Studios

Role-Playing (RPG) - gameography

• King's Quest: Mask of Eternity (1998), Sierra On-Line, Inc.

Simulation - gameography

• Need for Speed III: Hot Pursuit (1998), Electronic Arts, Inc.

Snowboarding / Skiing - gameography

• Twisted Edge: Extreme Snowboarding (1998), Kotobuki System Co., Ltd., Midway

Sports - gameography

• Twisted Edge: Extreme Snowboarding (1998), Kotobuki System Co., Ltd., Midway

Tank - gameography

• Halo 3 (2007), Microsoft Game Studios